It is easier for you to learn new information when you have a strong vocabulary. Research has shown that it helps with more than learning. A strong vocabulary has also been linked to income level and upward mobility.

Robert Marzano and Isabel Beck are two influential education researchers who study vocabulary development in children. I won’t be able to do them justice in a short article so you may want to go directly to the source to learn more. Both researchers have books, papers and videos that are easy to find with a simple internet search.